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core concepts 2-3
2.1, 3.1, 3.5, 3.6
Term | Definition |
---|---|
Orbit | Path one object makes as it circles around another |
Revolution | Circular journey around the sun |
Axis | Imaginary line running through Earth between the North and South Poles |
Equinox | Point at which everywhere on Earth days and nights are nearly equal in length |
Solstice | Point at which days are longest in one hemisphere and shortest in another |
Weather | condition of the air and sky at a certain time |
Climate | average weather of a place over many years |
Precipitation | water that falls to the ground as rain snow sleet or hail |
Temperature | measure of how hot or cold the air is |
Tropical wet climate | climate with hot temperatures and heavy rainfall year-round |
Tropical wet and dry climate | climate with a wet season in summer and a dry season in winter |
Humid subtropical climate | climate with year-round precipitation mild winters and hot summers |
Maritime climate | climate that is wet year-round with mild winters and cool summers |
Tundra climate | climate with cool summers and bitterly cold dry winters |
Semiarid climate | Dry climate |
Arid climate | very dry desert climate |
Subarctic climate | climate with limited precipitation cool summers and very cold winters |
Deciduous tree | tree that loses its leaves in the fall |
Coniferous tree | tree that produces cones to carry seeds |
Savanna | park-like landscape of grasslands with scattered trees that can survive dry spells. Found in tropical areas with dry seasons |
Ecosystem | group of plants and animals that depend on each other and their environment for survival |